Attack of B-Team server crash, items involved [LOG INCLUDED]

[kilm]

Hello! I'm hosting on aternos for my friend and I to play on. Whenever I join (when he joins its fine) I get the error "Internal Server Error". I tried to reload world file, delete player files (especially mine), but it seems items are the cause. Here are the problems.

The server has compatibility level 2
2019-07-09 21:45:11 [FINE] [fml.ItemTracker] The difference set is not equal: value differences={23424=(Item 23424, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 5, name null, claimedModId null, Item 23424, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 37, name null, claimedModId null), 23425=(Item 23425, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 6, name null, claimedModId null, Item 23425, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 38, name null, claimedModId null), 23299=(Item 23299, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 25, name null, claimedModId null, Item 23299, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 14, name null, claimedModId null), 23428=(Item 23428, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 3, name null, claimedModId null, Item 23428, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 35, name null, claimedModId null), 23256=(Item 23256, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 14, name null, claimedModId null, Item 23256, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 3, name null, claimedModId null), 23257=(Item 23257, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 41, name null, claimedModId null, Item 23257, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 30, name null, claimedModId null), 23898=(Item 23898, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 11, name null, claimedModId null, Item 23898, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 0, name null, claimedModId null), 23258=(Item 23258, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 40, name null, claimedModId null, Item 23258, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 29, name null, claimedModId null), 23899=(Item 23899, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 12, name null, claimedModId null, Item 23899, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 1, name null, claimedModId null), 23259=(Item 23259, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 42, name null, claimedModId null, Item 23259, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 31, name null, claimedModId null), 23260=(Item 23260, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 31, name null, claimedModId null, Item 23260, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 20, name null, claimedModId null), 23261=(Item 23261, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 23, name null, claimedModId null, Item 23261, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 12, name null, claimedModId null), 23262=(Item 23262, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 15, name null, claimedModId null, Item 23262, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 4, name null, claimedModId null), 23456=(Item 23456, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 30, name null, claimedModId null, Item 23456, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 19, name null, claimedModId null), 23265=(Item 23265, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 20, name null, claimedModId null, Item 23265, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 9, name null, claimedModId null), 23457=(Item 23457, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 32, name null, claimedModId null, Item 23457, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 21, name null, claimedModId null), 23458=(Item 23458, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 34, name null, claimedModId null, Item 23458, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 23, name null, claimedModId null), 23459=(Item 23459, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 33, name null, claimedModId null, Item 23459, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 22, name null, claimedModId null), 23268=(Item 23268, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 35, name null, claimedModId null, Item 23268, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 24, name null, claimedModId null), 23460=(Item 23460, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 17, name null, claimedModId null, Item 23460, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 6, name null, claimedModId null), 23269=(Item 23269, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 39, name null, claimedModId null, Item 23269, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 28, name null, claimedModId null), 23461=(Item 23461, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 16, name null, claimedModId null, Item 23461, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 5, name null, claimedModId null), 23464=(Item 23464, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 29, name null, claimedModId null, Item 23464, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 18, name null, claimedModId null), 23465=(Item 23465, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 19, name null, claimedModId null, Item 23465, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 8, name null, claimedModId null), 23274=(Item 23274, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 36, name null, claimedModId null, Item 23274, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 25, name null, claimedModId null), 23466=(Item 23466, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 21, name null, claimedModId null, Item 23466, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 10, name null, claimedModId null), 23275=(Item 23275, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 37, name null, claimedModId null, Item 23275, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 26, name null, claimedModId null), 23277=(Item 23277, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 38, name null, claimedModId null, Item 23277, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 27, name null, claimedModId null), 23278=(Item 23278, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 28, name null, claimedModId null, Item 23278, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 17, name null, claimedModId null), 23279=(Item 23279, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 27, name null, claimedModId null, Item 23279, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 16, name null, claimedModId null), 23280=(Item 23280, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 26, name null, claimedModId null, Item 23280, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 15, name null, claimedModId null), 23281=(Item 23281, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 22, name null, claimedModId null, Item 23281, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 11, name null, claimedModId null), 23410=(Item 23410, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 9, name null, claimedModId null, Item 23410, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 41, name null, claimedModId null), 23411=(Item 23411, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 8, name null, claimedModId null, Item 23411, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 40, name null, claimedModId null), 23412=(Item 23412, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 10, name null, claimedModId null, Item 23412, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 42, name null, claimedModId null), 23285=(Item 23285, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 13, name null, claimedModId null, Item 23285, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 2, name null, claimedModId null), 23415=(Item 23415, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 2, name null, claimedModId null, Item 23415, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 34, name null, claimedModId null), 23416=(Item 23416, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 0, name null, claimedModId null, Item 23416, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 32, name null, claimedModId null), 23417=(Item 23417, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 4, name null, claimedModId null, Item 23417, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 36, name null, claimedModId null), 23289=(Item 23289, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 24, name null, claimedModId null, Item 23289, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 13, name null, claimedModId null), 23418=(Item 23418, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 1, name null, claimedModId null, Item 23418, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 33, name null, claimedModId null), 23290=(Item 23290, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 18, name null, claimedModId null, Item 23290, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 7, name null, claimedModId null), 23423=(Item 23423, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 7, name null, claimedModId null, Item 23423, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 39, name null, claimedModId null)}
2019-07-09 21:45:11 [SEVERE] [fml.ItemTracker] FML has detected item discrepancies
2019-07-09 21:45:11 [SEVERE] [fml.ItemTracker] Missing items : {}
2019-07-09 21:45:11 [SEVERE] [fml.ItemTracker] Mismatched items : {23424=(Item 23424, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 5, name null, claimedModId null, Item 23424, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 37, name null, claimedModId null), 23425=(Item 23425, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 6, name null, claimedModId null, Item 23425, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 38, name null, claimedModId null), 23299=(Item 23299, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 25, name null, claimedModId null, Item 23299, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 14, name null, claimedModId null), 23428=(Item 23428, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 3, name null, claimedModId null, Item 23428, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 35, name null, claimedModId null), 23256=(Item 23256, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 14, name null, claimedModId null, Item 23256, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 3, name null, claimedModId null), 23257=(Item 23257, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 41, name null, claimedModId null, Item 23257, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 30, name null, claimedModId null), 23898=(Item 23898, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 11, name null, claimedModId null, Item 23898, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 0, name null, claimedModId null), 23258=(Item 23258, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 40, name null, claimedModId null, Item 23258, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 29, name null, claimedModId null), 23899=(Item 23899, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 12, name null, claimedModId null, Item 23899, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 1, name null, claimedModId null), 23259=(Item 23259, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 42, name null, claimedModId null, Item 23259, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 31, name null, claimedModId null), 23260=(Item 23260, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 31, name null, claimedModId null, Item 23260, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 20, name null, claimedModId null), 23261=(Item 23261, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 23, name null, claimedModId null, Item 23261, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 12, name null, claimedModId null), 23262=(Item 23262, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 15, name null, claimedModId null, Item 23262, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 4, name null, claimedModId null), 23456=(Item 23456, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 30, name null, claimedModId null, Item 23456, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 19, name null, claimedModId null), 23265=(Item 23265, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 20, name null, claimedModId null, Item 23265, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 9, name null, claimedModId null), 23457=(Item 23457, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 32, name null, claimedModId null, Item 23457, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 21, name null, claimedModId null), 23458=(Item 23458, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 34, name null, claimedModId null, Item 23458, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 23, name null, claimedModId null), 23459=(Item 23459, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 33, name null, claimedModId null, Item 23459, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 22, name null, claimedModId null), 23268=(Item 23268, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 35, name null, claimedModId null, Item 23268, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 24, name null, claimedModId null), 23460=(Item 23460, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 17, name null, claimedModId null, Item 23460, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 6, name null, claimedModId null), 23269=(Item 23269, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 39, name null, claimedModId null, Item 23269, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 28, name null, claimedModId null), 23461=(Item 23461, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 16, name null, claimedModId null, Item 23461, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 5, name null, claimedModId null), 23464=(Item 23464, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 29, name null, claimedModId null, Item 23464, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 18, name null, claimedModId null), 23465=(Item 23465, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 19, name null, claimedModId null, Item 23465, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 8, name null, claimedModId null), 23274=(Item 23274, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 36, name null, claimedModId null, Item 23274, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 25, name null, claimedModId null), 23466=(Item 23466, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 21, name null, claimedModId null, Item 23466, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 10, name null, claimedModId null), 23275=(Item 23275, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 37, name null, claimedModId null, Item 23275, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 26, name null, claimedModId null), 23277=(Item 23277, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 38, name null, claimedModId null, Item 23277, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 27, name null, claimedModId null), 23278=(Item 23278, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 28, name null, claimedModId null, Item 23278, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 17, name null, claimedModId null), 23279=(Item 23279, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 27, name null, claimedModId null, Item 23279, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 16, name null, claimedModId null), 23280=(Item 23280, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 26, name null, claimedModId null, Item 23280, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 15, name null, claimedModId null), 23281=(Item 23281, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 22, name null, claimedModId null, Item 23281, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 11, name null, claimedModId null), 23410=(Item 23410, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 9, name null, claimedModId null, Item 23410, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 41, name null, claimedModId null), 23411=(Item 23411, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 8, name null, claimedModId null, Item 23411, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 40, name null, claimedModId null), 23412=(Item 23412, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 10, name null, claimedModId null, Item 23412, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 42, name null, claimedModId null), 23285=(Item 23285, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 13, name null, claimedModId null, Item 23285, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 2, name null, claimedModId null), 23415=(Item 23415, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 2, name null, claimedModId null, Item 23415, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 34, name null, claimedModId null), 23416=(Item 23416, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 0, name null, claimedModId null, Item 23416, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 32, name null, claimedModId null), 23417=(Item 23417, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 4, name null, claimedModId null, Item 23417, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 36, name null, claimedModId null), 23289=(Item 23289, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 24, name null, claimedModId null, Item 23289, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 13, name null, claimedModId null), 23418=(Item 23418, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 1, name null, claimedModId null, Item 23418, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 33, name null, claimedModId null), 23290=(Item 23290, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 18, name null, claimedModId null, Item 23290, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 7, name null, claimedModId null), 23423=(Item 23423, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 7, name null, claimedModId null, Item 23423, Type co.uk.flansmods.common.ItemPart, owned by FlansMod, ordinal 39, name null, claimedModId null)}
2019-07-09 21:45:11 [INFO] [STDOUT] Setting up custom skins

[JaariAtmc]

This is not a log. This is a wall of purely irrelevant text at best.